Restore Video workspace and route native video API through shared endpoint

test_endpoint.py

@@ -77,10 +77,18 @@ class EndpointTests(unittest.TestCase):
   self.assertFalse(any(p['kind']=='video' for p in self.ep.rows()))
   with self.assertRaises(ValueError):self.ep.enable({'id':'video-old','enabled':True})
  def test_video_mode_rejects_chat_without_starting_llama(self):
-  self.ep.video=Mock();self.ep.scheduler.gpu_mode='video'
+  self.ep.video=Mock();self.ep.video.status.return_value={'service':{'ready':False}};self.ep.scheduler.gpu_mode='video'
   code,body=self.request('/v1/chat/completions',dict(model='alpha',messages=[dict(role='user',content='synthetic')]))
-  self.assertEqual(code,503);self.assertEqual(body['error']['code'],'video_mode_active');self.assertFalse(self.worker.started)
+  self.assertEqual(code,503);self.assertEqual(body['error']['code'],'video_not_ready');self.assertFalse(self.worker.started)
   self.ep.video=None
+ def test_video_mode_routes_original_api_even_on_models_path(self):
+  from unittest.mock import patch
+  self.ep.video=Mock();self.ep.video.status.return_value={'service':{'ready':True},'selected':'ltx'};self.ep.scheduler.gpu_mode='video'
+  def forward(handler,service):
+   self.assertEqual(service,'ltx');handler.send({'ltx_native':handler.path},207)
+  with patch('endpoint.relay',side_effect=forward):
+   code,body=self.request('/v1/models');self.assertEqual(code,207);self.assertEqual(body,{'ltx_native':'/v1/models'})
+  self.ep.scheduler.gpu_mode='llm';self.ep.video=None
  def test_video_api_redirect_is_explicit_not_translation(self):
   code,body=self.request('/v1/videos',{'prompt':'synthetic'})
   self.assertEqual(code,410);self.assertEqual(body['error']['code'],'use_ltx_api')